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Verified answer
Dik: p= 17 cmr1 = 13cm
r2= 5cm
Dit: d ?
Jawab:
Verified answer
Mapel MatematikaBab PGSPL
Diketahui
Jarak (OP) = 17 cm
R = 13 cm
r = 5 cm
Ditanyakan
AB (PGSPL) = ... cm ?
Jawab
PGSPL^2 = OP^2 - (R - r)^2
PGSPL^2 = 17^2 - (13 - 5)^2
PGSPL^2 = 289 - 64
PGSPL^2 = 225
PGSPL = 15 cm
Jadi panjang garis singgung persekutuan luar lingkaran adalah 15 cm